#ifndef __USART_H
#define __USART_H

#include "stm32f4xx.h"

extern void usart_send_str(USART_TypeDef* USARTx, char *str);
extern void usart_send_bytes(USART_TypeDef* USARTx, uint8_t *buf,uint32_t len);

extern void Usart1_Init(int myBaudRate);
extern void Usart2_Init(int myBaudRate);
extern void Usart3_Init(int myBaudRate);


#endif
